<template>
  <div class="container">
    <div class="app-container">
      <!-- 展示树形结构 -->
      <el-tree :expand-on-click-node="false" default-expand-all :data="depts" :props="defaultProps">
        <template v-slot="{data}">
          <el-row style="width: 100%;height: 40px;" type="flex" justify="space-between" align="middle">
            <el-col>{{ data.name }}</el-col>
            <el-col :span="4">
              <span class="tree-manager">{{ data.managerName }}</span>
              <el-dropdown @command="operateDept($event,data.id)">
                <!-- 显示区域内容 -->
                <span class="el-dropdown-link">
                  操作<i class="el-icon-arrow-down el-icon--right" />
                </span>
                <!-- 下拉菜单选项 -->
                <el-dropdown-menu slot="dropdown">
                  <el-dropdown-item command="add">添加子部门</el-dropdown-item>
                  <el-dropdown-item command="edit">编辑部门</el-dropdown-item>
                  <el-dropdown-item command="del">删除</el-dropdown-item>
                </el-dropdown-menu>
              </el-dropdown>
            </el-col>
          </el-row>
        </template>

      </el-tree>
    </div>
    <!-- 放置弹层 -->
    <add-dept ref="addDept" :current-node-id="currentNodeId" :show-dialog.sync="showDialog" @updateDepartment="getDepartment" />
  </div>
</template>
<script>
import { delDepartment, getDepartment } from '@/api/department'
import { transListToTreeData } from '@/utils'
import AddDept from './components/add-dept.vue'
export default {
  name: 'Department',
  components: { AddDept },
  data() {
    return {
      currentNodeId: null,
      showDialog: false,
      depts: [], // 数据属性
      defaultProps: {
        children: 'children',
        label: 'name'
      }
    }
  },
  created() {
    this.getDepartment()// 调用获取数据接口
  },
  methods: {
    async getDepartment() {
      const result = await getDepartment()
      this.depts = transListToTreeData(result, 0)
    },
    // 操作部门的方法
    operateDept(type, id) {
      if (type === 'add') {
        this.showDialog = true // 显示弹层
        this.currentNodeId = id
      } else if (type === 'edit') {
        this.showDialog = true
        this.currentNodeId = id // 记录id
        // 数据更新完才实行
        this.$nextTick(() => {
          // 父组件调用子组件的方法获取数据
          this.$refs.addDept.getDepartmentDetail()
        })
      } else {
        // 删除部门
        this.$confirm('你确定删除？').then(async() => {
          await delDepartment(id)
          // 提示消息
          this.$message.success('删除成功')
          this.getDepartment()
        })
      }
    }
  }
}
</script>
<style lang="scss" scoped>
  .app-container{
    padding: 30px 140px;
    font-size: 14px;
  }
  .tree-manager{
    width: 50px;
    display: inline-block;
    margin: 30px;
  }
</style>
